Maximize the performance of your Black&Decker HEPAFresh XL Air Cleaner with the HEPAFresh Replacement Filter. This multi-layer filter captures allergens and odors. The pre-filter and HEPAFresh filter are combined to capture up to 99% of airborne particles. Additionally, the carbon layer helps to reduce common household odors from smoking, pets and cooking. Designed for replacement in model BXAP250.